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Siemens Flowrite 599 Series 277-05990

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277-05990

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The 277-05990 from Siemens is a globe valve assembly that integrates a pneumatically operated actuator. It features flanged ends for easy connectivity and operates effectively under varying conditions.

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Technical specifications for 277-05990

ManufacturerSiemens
Product TypeGlobe valve assembly with a pneumatic actuator
Product LineFlowrite 599 Series
Part Number277-05990
End ConnectionFlanged
Control Signal (Actuator)Pneumatic signal, 3-8 psi spring range
Actuator Stroke3/4 in. (20 mm)
Effective Diaphragm Area28 in² (180 cm²)
Max. Diaphragm Pressure35 psi (241 kPa)
Actuator Service Temperature-4 to 149 °C (normal duty)
Media Operating Temperature-7 to 120 °C
Valve Line Size2-1/2 in. (65 mm)
Flow Coefficient Cv63 Cv
Valve ActionNormally Closed and Equal Percentage
Valve Trim MaterialBronze
Body MaterialCast Iron
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The Siemens 277-05990 is engineered as a globe valve assembly outfitted with a pneumatic actuator designed to manage fluid control processes efficiently. This assembly features flanged connections which facilitate seamless installation and integration into existing piping systems. For actuation, it operates on a pneumatic signal ranging from 3 to 8 psi, ensuring precise control.

The actuator’s stroke measures 3/4 inches (20 mm) and is effective for various operational scenarios. An effective diaphragm area of 28 in² (180 cm²) allows for significant flow management, capable of withstanding a diaphragm pressure of up to 35 psi (241 kPa). Both the actuator and the media can operate across a wide range of temperatures, with the actuator rated for a service temperature between -4 to 149 °C, while the media can flow within -7 to 120 °C.

This globe valve accommodates a valve line size of 2-1/2 inches (65 mm), designed to provide a flow coefficient of 63 Cv. Its valve action features a normally closed configuration with an equal percentage flow characteristic, optimizing regulation of flow rates. Furthermore, the valve body is crafted from durable cast iron, with trim components made from bronze, which enhances its longevity and resilience in various demanding environments.